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Unified Diff: Source/bindings/v8/custom/V8DataViewCustom.h

Issue 19230002: Use V8 implementation of TypedArrays and DataView in Blink (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Rebased for relanding Created 7 years, 4 months ago
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Index: Source/bindings/v8/custom/V8DataViewCustom.h
diff --git a/Source/bindings/v8/custom/V8DataViewCustom.h b/Source/bindings/v8/custom/V8DataViewCustom.h
new file mode 100644
index 0000000000000000000000000000000000000000..67f9781bd5ae84f91d393359fd8b7b1a850afa2a
--- /dev/null
+++ b/Source/bindings/v8/custom/V8DataViewCustom.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef V8DataViewCustom_h
+#define V8DataViewCustom_h
+
+#include "bindings/v8/custom/V8TypedArrayCustom.h"
+#include "core/html/canvas/DataView.h"
+
+namespace WebCore {
+
+template<>
+class TypedArrayTraits<DataView> {
+public:
+ typedef v8::DataView V8Type;
+
+ static bool IsInstance(v8::Handle<v8::Value> value)
+ {
+ return value->IsDataView();
+ }
+
+ static size_t length(v8::Handle<v8::DataView> value)
+ {
+ return value->ByteLength();
+ }
+
+ static size_t length(DataView* array)
+ {
+ return array->byteLength();
+ }
+};
+
+typedef V8TypedArray<DataView> V8DataView;
+
+template<>
+class WrapperTypeTraits<DataView> : public TypedArrayWrapperTraits<DataView> { };
+
+
+inline v8::Handle<v8::Object> wrap(DataView* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+ return V8TypedArray<DataView>::wrap(impl, creationContext, isolate);
+}
+
+inline v8::Handle<v8::Value> toV8(DataView* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+ return V8TypedArray<DataView>::toV8(impl, creationContext, isolate);
+}
+
+inline v8::Handle<v8::Value> toV8ForMainWorld(DataView* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+ return V8TypedArray<DataView>::toV8ForMainWorld(impl, creationContext, isolate);
+}
+
+template<class HolderContainer, class Wrappable>
+inline v8::Handle<v8::Value> toV8Fast(DataView* impl, const HolderContainer& container, Wrappable* wrappable)
+{
+ return V8TypedArray<DataView>::toV8Fast(impl, container, wrappable);
+}
+
+template<class HolderContainer, class Wrappable>
+inline v8::Handle<v8::Value> toV8FastForMainWorld(DataView* impl, const HolderContainer& container, Wrappable* wrappable)
+{
+ return V8TypedArray<DataView>::toV8FastForMainWorld(impl, container, wrappable);
+}
+
+template<class HolderContainer, class Wrappable>
+inline v8::Handle<v8::Value> toV8FastForMainWorld(PassRefPtr< DataView > impl, const HolderContainer& container, Wrappable* wrappable)
+{
+ return toV8FastForMainWorld(impl.get(), container, wrappable);
+}
+
+
+template<class HolderContainer, class Wrappable>
+inline v8::Handle<v8::Value> toV8Fast(PassRefPtr< DataView > impl, const HolderContainer& container, Wrappable* wrappable)
+{
+ return toV8Fast(impl.get(), container, wrappable);
+}
+
+inline v8::Handle<v8::Value> toV8(PassRefPtr< DataView > impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+ return toV8(impl.get(), creationContext, isolate);
+}
+
+} // namespace WebCore
+
+#endif
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